.tool{ 
   display: flex;
   background-color: #fff;
  .bar{ 
    flex: 1;
    display: flex;
    flex-direction: column; 
    text-align: center;
    i{
      flex:1 1 50%;
      font-size: 2.0rem;
    }
    span{
      flex:1 1 50%;
      font-size: 1.05rem;
    }
  }
}